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99GMC
02-26-2002, 05:07 PM
Just got it today, and had it installed! First impressions are I LOVE the sound! Much better then the flow I had on before, it doesn't give me a headache and has a nice mellow sound to it. When you jump in it though it sounds mean:LOL: Original plans were too have 2 3/4" or 3" pipe ran from the cats back, but not one single shop in town said they could bend pipe that big. Is that a crock or what? So this will have to do for now, till I find a shop that can. Also, haven't decided to do with the other end, probably just dump it but we will see:D

http://a3.cpimg.com/image/BF/A3/8837823-9595-02000180-.jpg
Jokeman
02-26-2002, 05:44 PM
Looks good!
99GMC
02-26-2002, 05:50 PM
Originally posted by Jokeman
Looks good!

Dude it's a muffler, not THAT good looking;):gay:
Joe
02-26-2002, 06:27 PM
Damn it, why'd you have to go and post that ;)

I started reading about those PVs one week after I had the flow installed on my Sierra and have heard nothing but good things about them since...next time!!
Z71DieHard
02-26-2002, 10:20 PM
Know what you mean on the headache from the Flow's drone...

Gibson cat back due in Friday for my 5.7. Let you know how it goes...

Nice looking muffler...Need to put ends on it
99GMC
02-26-2002, 10:50 PM
Originally posted by Z71DieHard

Nice looking muffler...Need to put ends on it

Yep, gonna do it just like this!

http://www.99gmc.com/Josh_Rig/muffler.jpg
bigred305
02-26-2002, 10:52 PM
I just don't see how Flowmasters can actually give anybody headaches, mine still isn't loud enough and I have the Flowmaster 40's w/ no cats, maybe I am so used to the system going all the time I don't even notice the pipes, or maybe it is the fact that my first exhaust on this truck was true dual Glass packs w/ no cats..:rocking: :rocking: :rocking:
99GMC
02-26-2002, 10:53 PM
Originally posted by bigred305
I just don't see how Flowmasters can actually give anybody headaches, mine still isn't loud enough and I have the Flowmaster 40's w/ no cats, maybe I am so used to the system going all the time I don't even notice the pipes, or maybe it is the fact that my first exhaust on this truck was true dual Glass packs w/ no cats..:rocking: :rocking: :rocking:

Guess I'm just getting old!:LOL:
bigred305
02-26-2002, 10:57 PM
:D :D :D

Nahh, maybe I am just wierd....

So have you noticed much of a performance gain with the PV....
99GMC
02-26-2002, 10:59 PM
Originally posted by bigred305
:D :D :D

Nahh, maybe I am just wierd....

So have you noticed much of a performance gain with the PV....

Only driven it about 3 miles, I'll post more tomorrow:)
99GMC
02-27-2002, 04:48 PM
They ran it a little higher then I wanted but I like it. The truck is MUCH more quite now, at idle you can hardly tell it is running, but when you step on the gas the sound really picks up. I love it! I feel a slight SOTP on the low end, 0-60, can't really tell on the freeway though. Overall I am very happy!


http://a9.cpimg.com/image/D1/D5/8855249-4860-02000180-.jpg
j791
02-27-2002, 07:18 PM
I agree with Bigred 305. I have a 40series flow on my 5.3 with huge echo tips and it is still not loud enough.
dhill_TX
02-27-2002, 07:34 PM
Originally posted by 99GMC
They ran it a little higher then I wanted but I like it. The truck is MUCH more quite now, at idle you can hardly tell it is running, but when you step on the gas the sound really picks up. I love it! I feel a slight SOTP on the low end, 0-60, can't really tell on the freeway though. Overall I am very happy!

This sounds just like me after the MagnaFlow install... I am so much happier to have gotten rid of the Flowmaster.

Do you watch your gas mileage? I always reset the odometer when I fill up and swear I get 50 more miles per tank after the new muffler. It would be interesting to see if you do also...
99GMC
02-27-2002, 07:39 PM
Originally posted by dhill_TX


This sounds just like me after the MagnaFlow install... I am so much happier to have gotten rid of the Flowmaster.

Do you watch your gas mileage? I always reset the odometer when I fill up and swear I get 50 more miles per tank after the new muffler. It would be interesting to see if you do also...

Yep, check it every tank! I will post those results in awhile:D I would love 50 miles!!:LOL:
Z71DieHard
02-27-2002, 08:02 PM
Funny thing with noise...

You REALLY notice when it goes away or gets really quiet.

For instance:

The hum of the tires...
The drone of the exhaust...
Whistle of the supercharger...
And the roar of WOT!

You know you got noise when you have to turn down the tunes to hear the wife or girlfriend ask you if you'd mind stopping at the next gas station so she can pee!
JB
02-27-2002, 08:10 PM
Nice Josh I like it. With the headers and Pv you have a complete system now. I kinda like the turn down look. I might get mine changed to that someday. The picture makes it look kinda close to the shock boot, is it?

I didn't get any extra mileage out of my magnaflow, but I did get performance and a tough sound. I might get better mileage but I can't keep my foot out of it :tongue:
99GMC
02-27-2002, 08:13 PM
Originally posted by Y2KZ71
Nice Josh I like it. With the headers and Pv you have a complete system now. I kinda like the turn down look. I might get mine changed to that someday. The picture makes it look kinda close to the shock boot, is it?

I didn't get any extra mileage out of my magnaflow, but I did get performance and a tough sound. I might get better mileage but I can't keep my foot out of it :tongue:

Nah, it's got about 2" of clearance from the boot, I should be fine. Thanks!:head:
Jokeman
02-27-2002, 08:13 PM
Originally posted by Y2KZ71
I might get better mileage but I can't keep my foot out of it :tongue:

I noticed the same thing.:LOL: :LOL: :LOL: